55Cr3 5 - ISO 683-14-2004

Grade	55Cr3
Old Grade
Corresponding Standard	ISO 683-14-2004 Heat-Treatable Steels,alloy Steels and Free-Cutting Steels. Part 14:Hot-Rolled Steels for Quenched and Tempered Springs
Classification	Spring Steel
Properties	Elasticity

55Cr3 Chemical Element Composition Content (%)

Component	C	Si	Mn	P ^ⓐ	S ^ⓐ	Cr	More
Minimum Value	0.52	-	0.7	-	-	0.7	Cu+10Sn≤ 0.6%
Maximum Value	0.59	0.4	1	0.03	0.03	1	Cu+10Sn≤ 0.6%

Approximate Comparison Table Spring Steel

China		Taiwan, China	Japan	South Korea	United States		International Organization for Standardization	Germany		France	United Kingdom
GB	ISC	CNS	JIS	KS	AISI	UNS	ISO	DIN EN/DIN	W-Nr.	NF EN/NF	BS EN/BS
55CrMnA	A22553	SUP9	SUP9	SPS5	5155	G51550	55Cr3	55Cr3	1.7176	55C3	≈527A60

55Cr3 Corresponding Standards(Same grade name, different standards)

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